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AngularJS API Reference auto auto/service auto/service/$injector auto/service/$provide ng ng/directive ng/directive/a ng/directive/form ng/directive/input ng/directive/input[checkbox] ng/directive/input[date] ng/directive/input[dateTimeLocal] ng/directive/input[email] ng/directive/input[month] ng/directive/input[number] ng/directive/input[radio] ng/directive/input[text] ng/directive/input[time] ng/directive/input[url] ng/directive/input[week] ng/directive/ngApp ng/directive/ngBind ng/directive/ngBindHtml ng/directive/ngBindTemplate ng/directive/ngBlur ng/directive/ngChange ng/directive/ngChecked ng/directive/ngClass ng/directive/ngClassEven ng/directive/ngClassOdd ng/directive/ngClick ng/directive/ngCloak ng/directive/ngController ng/directive/ngCopy ng/directive/ngCsp ng/directive/ngCut ng/directive/ngDblclick ng/directive/ngDisabled ng/directive/ngFocus ng/directive/ngForm ng/directive/ngHide ng/directive/ngHref ng/directive/ngIf ng/directive/ngInclude ng/directive/ngInit ng/directive/ngKeydown ng/directive/ngKeypress ng/directive/ngKeyup ng/directive/ngList ng/directive/ngModel ng/directive/ngModelOptions ng/directive/ngMousedown ng/directive/ngMouseenter ng/directive/ngMouseleave ng/directive/ngMousemove ng/directive/ngMouseover ng/directive/ngMouseup ng/directive/ngNonBindable ng/directive/ngOpen ng/directive/ngPaste ng/directive/ngPluralize ng/directive/ngReadonly ng/directive/ngRepeat ng/directive/ngSelected ng/directive/ngShow ng/directive/ngSrc ng/directive/ngSrcset ng/directive/ngStyle ng/directive/ngSubmit ng/directive/ngSwitch ng/directive/ngTransclude ng/directive/ngValue ng/directive/script ng/directive/select ng/directive/textarea ng/filter ng/filter/currency ng/filter/date ng/filter/filter ng/filter/json ng/filter/limitTo ng/filter/lowercase ng/filter/number ng/filter/orderBy ng/filter/uppercase ng/function ng/function/angular.bind ng/function/angular.bootstrap ng/function/angular.copy ng/function/angular.element ng/function/angular.equals ng/function/angular.extend ng/function/angular.forEach ng/function/angular.fromJson ng/function/angular.identity ng/function/angular.injector ng/function/angular.isArray ng/function/angular.isDate ng/function/angular.isDefined ng/function/angular.isElement ng/function/angular.isFunction ng/function/angular.isNumber ng/function/angular.isObject ng/function/angular.isString ng/function/angular.isUndefined ng/function/angular.lowercase ng/function/angular.module ng/function/angular.noop ng/function/angular.toJson ng/function/angular.uppercase ng/object ng/object/angular.version ng/provider ng/provider/$animateProvider ng/provider/$compileProvider ng/provider/$controllerProvider ng/provider/$filterProvider ng/provider/$httpProvider ng/provider/$interpolateProvider ng/provider/$locationProvider ng/provider/$logProvider ng/provider/$parseProvider ng/provider/$rootScopeProvider ng/provider/$sceDelegateProvider ng/provider/$sceProvider ng/service ng/service/$anchorScroll ng/service/$animate ng/service/$cacheFactory ng/service/$compile ng/service/$controller ng/service/$document ng/service/$exceptionHandler ng/service/$filter ng/service/$http ng/service/$httpBackend ng/service/$interpolate ng/service/$interval ng/service/$locale ng/service/$location ng/service/$log ng/service/$parse ng/service/$q ng/service/$rootElement ng/service/$rootScope ng/service/$sce ng/service/$sceDelegate ng/service/$templateCache ng/service/$timeout ng/service/$window ng/type ng/type/$cacheFactory.Cache ng/type/$compile.directive.Attributes ng/type/$rootScope.Scope ng/type/angular.Module ng/type/form.FormController ng/type/ngModel.NgModelController ngAnimate ngAnimate/provider ngAnimate/provider/$animateProvider ngAnimate/service ngAnimate/service/$animate ngCookies ngCookies/service ngCookies/service/$cookies ngCookies/service/$cookieStore ngMessages ngMessages/directive ngMessages/directive/ngMessage ngMessages/directive/ngMessages ngMock ngMock/function ngMock/function/angular.mock.dump ngMock/function/angular.mock.inject ngMock/function/angular.mock.module ngMock/object ngMock/object/angular.mock ngMock/provider ngMock/provider/$exceptionHandlerProvider ngMock/service ngMock/service/$exceptionHandler ngMock/service/$httpBackend ngMock/service/$interval ngMock/service/$log ngMock/service/$timeout ngMock/type ngMock/type/angular.mock.TzDate ngMockE2E ngMockE2E/service ngMockE2E/service/$httpBackend ngResource ngResource/service ngResource/service/$resource ngRoute ngRoute/directive ngRoute/directive/ngView ngRoute/provider ngRoute/provider/$routeProvider ngRoute/service ngRoute/service/$route ngRoute/service/$routeParams ngSanitize ngSanitize/filter ngSanitize/filter/linky ngSanitize/service ngSanitize/service/$sanitize ngTouch ngTouch/directive ngTouch/directive/ngClick ngTouch/directive/ngSwipeLeft ngTouch/directive/ngSwipeRight ngTouch/service ngTouch/service/$swipe

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AngularJS: API: ng/directive/ngHref

ngHref

  1. - directive in module ng

在href属性使用Angular的{{hash}}等标记会使链接跳转到错误的URL，当用户在Angular用值替换 {{hash}}标记前点击了它。在Angular替换标记前链接都是错误的，会返回类似404错误。

ngHref指令解决了这个问题。

错误的写法：

<a href="http://www.gravatar.com/avatar/{{hash}}"/>

正确的写法：

<a ng-href="http://www.gravatar.com/avatar/{{hash}}"/>

指令信息

  • 这个指令执行优先级为99.

用法

  • 作为属性使用: 
    <A
  ng-href="">
...
</A>

参数

参数 类型 详述
ngHref template

可以包含 {{}} 标记的任意字符串。

示例

这个例子演示几种在链接中使用 href、ng-href和ng-click 属性的组合，以及它们不同的行为：

index.html
<input ng-model="value" /><br />
<a id="link-1" href ng-click="value = 1">link 1</a> (link, don't reload)<br />
<a id="link-2" href="" ng-click="value = 2">link 2</a> (link, don't reload)<br />
<a id="link-3" ng-href="/{{'123'}}">link 3</a> (link, reload!)<br />
<a id="link-4" href="" name="xx" ng-click="value = 4">anchor</a> (link, don't reload)<br />
<a id="link-5" name="xxx" ng-click="value = 5">anchor</a> (no link)<br />
<a id="link-6" ng-href="{{value}}">link</a> (link, change location)
protractor.js
it('should execute ng-click but not reload when href without value', Function() {
  element(by.id('link-1')).click();
  expect(element(by.model('value')).getAttribute('value')).toEqual('1');
  expect(element(by.id('link-1')).getAttribute('href')).toBe('');});

it('should execute ng-click but not reload when href empty string', Function() {
  element(by.id('link-2')).click();
  expect(element(by.model('value')).getAttribute('value')).toEqual('2');
  expect(element(by.id('link-2')).getAttribute('href')).toBe('');});

it('should execute ng-click and change url when ng-href specified', Function() {
  expect(element(by.id('link-3')).getAttribute('href')).toMatch(/\/123$/);

  element(by.id('link-3')).click();

  // At this point, we navigate away from an Angular page, so we need
  // to use browser.driver to get the base webdriver.

  browser.wait(Function() {
    return browser.driver.getCurrentUrl().then(Function(url) {
      return url.match(/\/123$/);
    });
  }, 5000, 'page should navigate to /123');});

xit('should execute ng-click but not reload when href empty string and name specified', Function() {
  element(by.id('link-4')).click();
  expect(element(by.model('value')).getAttribute('value')).toEqual('4');
  expect(element(by.id('link-4')).getAttribute('href')).toBe('');});

it('should execute ng-click but not reload when no href but name specified', Function() {
  element(by.id('link-5')).click();
  expect(element(by.model('value')).getAttribute('value')).toEqual('5');
  expect(element(by.id('link-5')).getAttribute('href')).toBe(null);});

it('should only change url when only ng-href', Function() {
  element(by.model('value')).clear();
  element(by.model('value')).sendKeys('6');
  expect(element(by.id('link-6')).getAttribute('href')).toMatch(/\/6$/);

  element(by.id('link-6')).click();

  // At this point, we navigate away from an Angular page, so we need
  // to use browser.driver to get the base webdriver.
  browser.wait(Function() {
    return browser.driver.getCurrentUrl().then(Function(url) {
      return url.match(/\/6$/);
    });
  }, 5000, 'page should navigate to /6');});
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